美国联邦应急管理署（FEMA）发布了一张用“洪峰基线海拔”（BFE）描绘洪涝频发重灾区轮廓的地图。
The Federal Emergency Management Agency (FEMA) publishes maps that designate Special Flood Hazard Areas delineated by a Base Flood Elevation (BFE).
红色孢子植物添加到环保署表面地图。
Red colored spore plants added to the surface map of the EPA.
其他城市(如剑桥和Somerville)的地图，可向当地规划署查询。
For other cities, like Cambridge and Somerville, you should check with the local planning commission.
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